• Korean Journal of Logic
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• v.20 no.1
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• pp.113-141
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• 2017

The standard definition of an instantaneous temporal part cannot properly deal with cases involving time travel. This paper provides a new definition of an instantaneous temporal part by appealing to David Lewis's distinction between external time and personal time. The new definition avoids the problems because it does not allow more than one instantaneous temporal part of an object at each moment of its personal time. We argue that this new definition, combined with our new perdurantist semantic thesis, deals with cases of time travel successfully.

• 프린팅코리아
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• v.9 no.7
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• pp.74-75
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• 2010

국제기록문화전시회 세미나가 지난 6월 1일 서울 삼성동 코엑스 4층 그랜드컨퍼런스룸에서 열렸다. 국제기록문화전ㅅ시회 개회식에 이어 전행된 이번 세미나는 루이스 벨라도 ICA 부의장이 '기록문화에 대한 인식을 제고하기 위한 미국 국가기록청의 전략적 방향 및 접근'에 대해, 데이빗 리치 ICA 사무총장이 '기록문화 인식제고 및 확산'에 대해, 에르베 르무완 프랑스 국가기록원장이 '프랑스 기록물 유산과 미래 세대에게 물려주기 위한 국가적 노력'에 대해, 한영우 이화여대 석좌교수가 '한국 기록문화 전통 및 계승방안'에 대해 발표했다. 본지에서는 한영우 교수의 발표문을 요약 게재한다.

• Korean Journal of Logic
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• v.16 no.1
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• pp.45-59
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• 2013

In his book Worlds and Individuals: Possible and Otherwise, Takashi Yagisawa Yagisawa argues that his own theory is better than Lewis's theory by showing that his own theory can deal with important objections to modal realism more successfully than Lewis's. In particular, Yagisawa claims that by adopting modal tenses, he can respond to many important objections to modal realism in a uniform way. In this paper, I argue that Lewis can also successfully respond to Peacocke's objection in an exactly parallel way to Yagisawa's by distinguishing existence at the actual world from existence at other possible worlds and that Yagisawa's response to van Inwagen's objection does not succeed. I conclude that Yagisawa fails to show that his own theory is better than Lewis's.